Vulnerability · Published Jul 15, 2020 · Assigned by mitre
CVE-2020-15572
High 7.5
In plain English
A high-severity security flaw in the tor package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 27.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Tor before 0.4.3.6 has an out-of-bounds memory access that allows a remote denial-of-service (crash) attack against Tor instances built to use Mozilla Network Security Services (NSS), aka TROVE-2020-001.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | tor | 0.4.3.6-1 | DEBIAN-CVE-2020-15572 |
| Debian:13 | tor | 0.4.3.6-1 | DEBIAN-CVE-2020-15572 |
| Debian:14 | tor | 0.4.3.6-1 | DEBIAN-CVE-2020-15572 |
Affected products (as reported)
References
- https://gitlab.torproject.org/tpo/core/tor/-/issues/33119 x_refsource_MISC
- https://trac.torproject.org/projects/tor/wiki/TROVE x_refsource_MISC
- https://blog.torproject.org/new-release-tor-03511-0428-0436-security-fixes x_refsource_CONFIRM